nvda

4723fb54 - Use scons 3.0 commit 6a72c4de3e92cae65016578270e6f68e66c4f1e8 from upstream (#7725)

Use scons 3.0 commit 6a72c4de3e92cae65016578270e6f68e66c4f1e8 from upstream (#7725) * Use scons 3.0 commit 6a72c4de3e92cae65016578270e6f68e66c4f1e8 from upstream * Updated readme to reflect the update to SCons 3. Even though we were already on SCons 3, the readme still mentioned 2.41